#Question id: 26444
#Unit 3. Fundamental Processes
#Question id: 14777
#Unit 13. Methods in Biology
#Question id: 4957
#Unit 11. Evolution and Behavior
How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
#Question id: 11653
#Unit 10. Ecological Principles
Given some characteristics of the climax community
i) Tolerate its own reactions
ii) Tends to become mesic
iii) Less stable
iv) Complex stratification
v) Simple food web
vi) Less mutualism
vii) Gross production is equals to community respiration
viii) Net community production is zero
Which of the following combination shows the characteristics of climax community?
#Question id: 28526
#Unit 5. Developmental Biology
At which stage of Arabidopsis embryogenesis, embryo and seed lose water and become metabolically inactive as they enter dormancy?